引言 本章是关于混凝土用的减水剂,通常称塑化剂的描述和应用。在国内外,这类附加剂的产品种类可能构成了用于混凝土的有机材料的最大吨位,因而已经成为大量的基础研究工作与应用研究工作的课题。本章在描述了三种类型的减水剂,并概述了它们所共有的作用模式 Introduction This chapter is about superplasticizer for concrete, commonly referred to as plasticizer description and application. At home and abroad, the product range of such additives may constitute the largest tonnage of organic materials used in concrete and has therefore become a subject of considerable research and applied research. This chapter describes three types of water reducers and outlines their shared mode of action